Apparatus for shifting hanks of yarn in dyeing.



- P.HAHN. APPARATUS FOR SHIFTING HANKS OFYARN IN DYEING. Arrucmqu mso cr. In. |913.

1,202,061. Patented oct. 24,1916,

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P. HAHN. APPARATUS Foa sHlrTmG HANxs or YARN m DYEING.

APPLICATION FILED OCT. I0. I9I3.

Patented 001. 24,1916.

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y UNiTED STATES WPATENT OFFICE, ,y

PAUL HAHN, oF NIEDERLAHNSTEIN, GERMANY.

A PrAnATUs non srnr'rnve HANKS or YARNIN DYEING.

Specification of Letters Patent.

Patented Oct. 24, 1916.

Application led October 10, 1913. Serial No. 794,461.

anism which enables such an adjustmenttobe made before the machine is started that the beginning of the period at whichthe hanks must be turned and displaced 0n their carriers can be regulated relatively to the intermediate period during which the hanks are only displaced, such regulation being varied according to the particular nature or qualities of the yarn to be treatedand of theA displacements of the hanks from one pre. determined part of the dyeing trough to another, the hanks can, at a predetermined period, be also turned on their appertaining carriers.

rlhe apparatus according to the present in- I d provided with a lug 16 directed toward the vention comprises a control-device, pivote to the machine casing, consisting of a control-sector, a pawl, and a pawl-carrying sector, and capable of being preliminarily adjusted before the machine is started; this 4control-device is automatically adjusted to another control position each timea lever, which is mounted on the machine, strikes against one of two adjustable stopsfwhich limit the travel of the machine, and thereby reverses the motion fof the machine; a control-mechanism is also.. provided which coacts with the said control-device and couples the axle carrying the pair of levers for turning the yarn-carrier. .to a driving system which can provisionally impart to said pair of leversan oscillatory motion and is continuously driven; when the reversal of the motion of the machine occurs this control- A ling mechanismk does not allow said driving systemA to inuence, andfimpart such oscillatory motion to, this pair of levers until, in accordance with that number of displacements of the said control-device which is predetermined by the preliminary adjustment, this control-deviceobtains a position in which it can disengage al set of detentmembers and so cause the said driving-system to be coupled to the said axle, whereby the yarn is not only displaced but simultaneouslyturned. Further, after the completion of this combined movement, a releasing mechanism which, in the position now occupied bythe control-device, is influenced bythe stroke of the'stop-actuatedl lever, returns the said control-device to its initial position.

One illustrative embodiment of the inventionis represented by way of example in the accompanying drawing, wherein Figure 1 is a diagrammatic view of a ma# chine of this character provided with the new regulating mechanism; Fig.2 is a frontl elevation, partly in section, showing the said mechanism; Fig. 3 is a sectional elevation of the parts of the mechanism lwhich are located at the rear of the machine-casing, the section being taken immediately behind the casing; Fig. 4 is a plan of some parts of the mechanism shown in Fig. 2, and Figs. 5, 6. and 7 are detail views.

Referring to the drawing, on the front side of the machine-casing 1, in which the driving motor is mounted, is arranged a rearsector 3V (Fig. 6) which is keyed on an axle 2 passing through the said casing and which is casing 1. -A pawl. or latch 4 is pivotally connected to this sector, which also has a shoulder 5 with, at diametrically opposite points, two recesses 6, 7 of corresponding form. Freely rotatable on the sector 3 is a front sect0r10", its portion. 8 being cylindrical, and its portion 9.toothed and weighted by means of a thickened part11. p The portion 8 of the front sector 10b has a projection or lug 12 and a recess 10a. When this sector rotates the pin 12 will abut against a checkarm 13 which is freelv rotatable about the axle 2, and,.byabutting against ,this arm, this sector is arrested. Owing to a detent 15 pivotedl to the casing, the check-arm` is held fast by one'or other of the teeth on the segment 14a, and consequently the stroke of the of the latter presses on it, so that the engagement is so stable that external vibration toothin'g 9 and so prevents undesired motion thereof.

On the front end of a second axle 22 (Figs. 2 and 4) which passes through 4the casing 1 is mounted an angle-lever 23, 24, to

. the arm 24 of whichfare pivoted at 25 two levers 26h, 271. As seen in Fig. 4, lever 26b is forked and has two arms 28, 29, of

which the arm 28 has not only a lug 130.

@normally running on the periphery of the i face 8 of the sector 10b.

:.cylindric-al portion 8 of the sector 10b, but

also a lug or vprojection 131having a form corresponding to that of the recess 7 in the sector 3, while the -arm 29 runs out into a finger. The lever 27b likewise has at its end a lug 33 which also slides on the cylindrical A linger 34 is provided on a downward extension of the ,lever 27h. As Fig. 2 shows, the lever 27b has also a long, bent, downwardly-extending arm 35, the end of which has a lug 36 which, under circumstances to be explained hereinafter, engages in the recess 6 in the sector 3.

The finger 34 on the lever 27? slides (as seen in Fig. on the periphery of a disk g. which is journaled on a stub-axle 37 on the casing 1 and has evenly spaced elevations 38. A second disk 41 having elevations 39 is also mounted on the axle 37, but is `displaced thereon through a peripheral angle `corresponding to the length of the elevations 39. Journaled in front of these disks is a. ratchetwheel 42 which is retained by a detent 43 pivoted at 25a. f

A lever 23aL (Fig. 3) similar in form to the -l n.arm 23 of the angle-lever 23, 24 is mounted v `-the stub-axles 37 or 37 on the casing, and b v such depression disengage the ends of the levers 46 from thehooks 47, 48 (Figs. 2 and 3) at the ends of two controlling rods 49, 5() which `are connected to the axle 2 by means `of elongated holes 45.

The hook 47 ofthe mcontrolling rod 49 (Fig. 2) is also engaged by the lug 16 on the sector 3, and the hook 48 of the controlling rod 50 (Fig. 3) is also enga-@ed by a )in 51 of a three-armed rock- The rockinging lever 52 fast on the axle 2. lever .52'` is influenced by the antifriction roller 53 of a-lever 55 which is pivotally con-f nected' 4to" the casing at"54,"this roller'beiiig acted upon by a spring 531. Owing to stops 57a, 57d adjustably mounted on the rails 56 (Fig. l) which servey as the track for the casing 1, the levers 55 and 52 can be alternately shifted to the right or to the left, and hence oscillatorymotions can be given to the 'axle 2 at long intervals.

The controlling'rod 50 is linked at 58 to a lever 60 (Figs. 2 andk which is pivoted at 59 to the casingand has .a downwardlyextending arm 62 which bears, at the oval eye 61 therein, on the collar 63 of a leverarm 83; this collar is fast on a sleeve 84 freelyrotatable about the axle 26. )When the rod 50 falls owing to the disengagement of the arm 46 and thepin 51, it depresses the lever 60 until the upper edge of the oval eye 61 rests on the collar 63. Consequently, the lug 65d of a latch 68, which is pivoted at 66 on a lever 67 fast on the axle 26, bears against any axially more remote portion of the cani-like edge of that portion of the arni 64'which surrounds the eye 61, and therefore causes the shoulder 69 of the latch 68 to engage in the notch 65 of a coupler 65 'fast on the sleeve 84. A spring 70 mounted on the lever 67 and bearing against the back of the latch makes this engagement secure, the consequence of which is that the axle 26 with the turning-hook 25, which is fast thereon gives an oscillatory motion. This is because the arm 83 vfast on the sleeve 84 is linked by a rod 31 to the'crank 30, continuously/rotated by the axle 19. Like the rod 50, so also the rod 49, which is located on the front side of the machine (Fig. 2) and is normally held in its raised position by the arm 46 and the lug 16, is caused to efect a similar series of operations, ,owing to a lever 60 pivoted at 59, and a link 31 connected `to the crank 30, so that, in this case also, the downward movement of the rod 49`results Ain an` oscillatory movement of the turning-hook 25". In these oscilla tory movements, the turning-hooks 25, 25b are limited by stop-sectors 8O which are fast on the axles 26, 26, and into the notches 81 of which the stop-pins 78 of spring-pressedlevers pivoted at 74 snap in and out again.

It will be assumed that when dyeing the yarn it is desired, after displacing the hanks .of yarn in the dye tive times, that at the sixth displacement the yarn is to be simultaneously turned on its carrier. It will be further assumed that the sector lObhas at the toothing'9 four teeth ai, y, fw, e (Fig. 6) and that the machine has an initial position as indicated by C in Fig. 1. The sector 10b is then vin such a position that the pawl 4 engages behind the second hook tooth y, while the check-arm 13 is retained by the detent 15 which engages behind the lug 141; the lug 12 now bears on this check-arm 13.

. The device then operates as follows :'-When themac'hiiie'moves forward in the direction of the arrow 86, the hanks of yarn are transferred from position B to position A. When at the end of this movement of the machine, the lever 55, which at the beginning of the said movement in the direction of the arrow 86, has the position shown at D (Fig. 1) strikes against the stop 57, it is thereby thrown over into the position shown at C (Fig. 1), and the direction of rotation of the driving motor is simultaneously reversed by means not comprised in the present invention. The lever 52 has been rocked over by lever 55, the axle 2 rotated, and, owing to the pawl 4 on the rear sector 3, the front sector 101 is driven forward one tooth-pitch, and both the pawl 4 and the detent 17 then engage below the tooth y. The machine thereupon travels back in the direction of the arrow 87 and transfers the bank-carriers 35 from position A to position B. When the last of these carriers has been transferred, the lever 55 strikes against the stop 57a and is therefore returned to the position shown at D, the motor being simultaneously reversed, and the lever 52 and the axle 2 rocked back to their former positions. The latter' movemeent brings the sector 3 and the pawl 4 back to their former positions, so that the pawl 4 is now located behind the tooth w, while the detent 17 is still behind the tooth y. This alternate movement of the machine in the direction of the arrow 86 from C to B, and in the direction of the arrow 87 from B to C, is now once more repeated, the pawl 4 being located behiiid the tooth a, and the detent 17 behind the tooth w when the machine is at C. Vhen, however, the machine was previously7 at the position D, the lug 33, which heretofore had been sliding on the circumferential portion 8 of the sector 10b, slid from this portion of the sector into the recess 10, and the curved lever-arm 35 then made a slight downward movement. This movement suificed, however, to bring the end of the lever 35 into the path of the sector 3, so that when the machine reaches C and the lever 52 and the axle 2 are again rocked and the sector 3 is consequentlyV driven back one tooth-pitch, this sector strikes with itsslanting front edge with some force against a corresponding slanted or rounded portion of the end of the lever 35, and consequently, after raising the latter somewhat when passing it causes the lug 36 to enter the recess 6 in the projection 5 (Fig. 2). After the hanks of yarn have been transferred from B to A, and the machine has again traveled to D in the direc-- the following Vmovements V simultaneouslyk 1. The `sector 10b is driven one tooth-pitch,Y

its free end releases the hook 48of the rodA 50 `which, owing to the pin 51 having been withdrawn from engagement with the hook owingto rocking lever 52 having been changed over by the displacementy of the arm 55, falls down an amount determined by the play in the slot 45.

The descent 'of the rod 50 produces, in the V manner hereinbefore described, an operative connection between the crank shaft 19 and the axle 26, so thatl when the machine makes the now ensuing return movement from position D to position C, it not only displaces the hanks of yarn in the trough, but, owing to the action of the hooks 25, turns them on their respective carriers.

When position C is reached, first of all the lever 55, by abutting against the stop 57% again presse-s the pin 51 under the slanted or rounded top portion of the hook 48. The rod 50 is therefore raised and the operative connection between the axle 26 and i the shaft 19 is broken. Simultaneously, owing to the lug 36 engaging in the recess 6, and owingto the rotation of theaxle 2, the levers 27h, 28, 29 and 43 connected to this axle are driven forward, and the lug 33 consequently presses against the abutment face 21 and forces back the lever 15a so far kto the right that the detent 17 is raised clear of the tooth 2. The sector 10b under the influence of the weighted portion 11 now therefore descends until arrested owing to the pin 12 abutting against the check-arm 13. At the same time the pin 16 comes from under the top of the hook 47, while the pawl 43 drives the ratchet-wheel 42 so far around the axle 37 that the finger 34 runs on to one of the elevations 39 on the disk 40. The lever 33 is therefore disengaged from the sector 10a and the downward movement of sector 10b is thus rendered possible. Owing to the arm 27b being raised, the lug 36 must also be disengaged from the recess 6, so that with the return of all parts to the firstV described position, i. e. when the machine was at C, the arm 23, which no longer presses on the lug l44 but is inclined somewhat upwardly, causes the free end of the lever 46, owing to the preponderance of weight, to automatically fall under the top of the hook 48. There then .follows a complete repetition Vof the cycle of operations described. If another movement is desired, c. g. ifthe yarn after each third displacement has to be both displaced and turned, the sector 10c 515is so adjusted when it is at position C that the pawl 4 first of all engages below the tooth w. To correspond with this adjustment the lever 13 must, of course, have been scheld fast, owing to the detent 15 loengaging behind the tooth lll, that the sector 10b falls back only two tooth-pitches and then stops owing to its lug 12 striking against the check-arm 13. Moreover, a further modified adjustment of these parts is needed 15 vif, after each displacement of the hanks of yarn, it isdesired that they be both displaced and turned. Still other combinations can be obtained by increasing the number of teeth on the sector 10b.

The provision lof two pairs of turninghooks, as represented in the drawing, is of course not essential; one pair would sufiice.v

The second pair of hooks and the duplicated arrangement of parts associated therewith is however desirable when it is de-l sired to make the initial adjustment with the machine in either position C or D. In the latter case the two-armed leverV 28, 29 under that actuation of the arm 29 which is 30 brought about by the second disk 38, 41, is the means for imparting motion to the pair of hooks 25b in the following manner After the machine has traveled from position D to position C. and when the last tooth iofthe sector10b has been driven forward in the position C, the lug 131 falls into .the recess 7 of the rear sector 3, whereby the rod 49 is released. Then, owing` to the lug 130 striking the abutment surface 21 when position D is reached, the various parts are returned to their initial positions. I claim l. In apparatus for turning hanks of yarn,

the combination of a rail, adjustable stops thereon, a carriage adapted to be driven to and fro along the rail, a continuously driven shaft journaled in the carriage, a pair 0f turning hooks and adjustable means coacting with said'stops for operatively connecting said shaft and said hooks only after a predetermined number of to-and-fro movements of the carriage. I

2.v In apparatus for turning hanks of yarn, the combination of a rail, adjustable stops thereon, a carriage adapted to be driven to and fro along the rail, a continuously driven shaft journaled in the carriage, a pair -of lturning hooks and initially adjustable means coacting with said stops for operatively connecting said shaft and said hooks only after a predetermined number of to- Vand-fro movements of the carriage; and means koperated by said adjustable means for returning the latter to their initial position.

, 3, In apparatus for turninghanks of yarn,

the combination of a rail, adjustable stops thereon, a carriage adapted to be driven to and fro along the rail, a co-ntinuously driven shaft journaled in the carriage, a pair of turning hooks, a vertical rod slidable in the carriage and initially retained in its raised position, coupling means rendered operative by the descent of said rod for coupling said hooks to said shaft and adjustable means coacting with said sto-ps for releasing said rod only after a predetermined number of to-and-fro movements of the carriage.

4. In apparatus for turning hanks of yarn, the combination of a rail, adjustable stops thereon, a carriage adapted to be driven to and fro along the rail, a continuously driven shaft journaled in the carriage, a pair of turning hooks, a vertical rod slidable in the carriage and initially retained in its raised position, coupling means rendered operative by the descent, and inoperative by the ascent of said rod for coupling said hooks to said shaft and adjustable means coacting with said stops for releasing said rod only after a predetermined number of to-and-fro movements of the carriage; and means operated by said adjustable means for raisingsaid rod.

5. In apparatus for turning hanks of yarn, the combination of a rail, adjustable stops thereon, a carriage adapted to be driven to and fro along the rail, a continuously driven shaftv journaled in the carriage, a pair of turning hooks, a detent pivoted to the carriage, coupling means initially held inoperative by said detent for operatively connecting said shaft to said hooks, an initially adjustable sector rotatably mounted on the carriage and having a cam-surface and ratchet toothing, means coacting with said stops for driving said sector, and releasing means actuated by said cam-surface for driving said detent away from said coupling meansv only after a predetermined movement of the ratchet-toothing.

6. In apparatus for turning hanks of yarn, the combination of a rail, adjustable stops thereon, a carriage adapted to be driven to and fro along the rail, a continuously driven shaft journaled in the carriage, a pair of turning hooks, a detent pivoted to the carriage, coupling means initially held inoperative by said detent for operatively connecting said shaft to said hooks, an initially adj ustable sector rotatably mounted on the carriage and having a cam-surface and ratchet tootliing, a pawl engaging said toothing and having a lug, 'means coacting with said stops for driving saidpawl, a detent lever pivoted to the carriage, normally engaging said sector and having a guide surface for said lug, and releasing means actuated by said camsurface for driving said detent away from said coupling means only after a predetermined movement of the ratchet-toothing.

7. In apparatus for turning hanks of yarn, the combination of a rail, adjustable stops thereon, a carriage adapted to be driven to and fro along the rail, a continuously driven shaft journaled in the carriage, a pairv of turning hooks, a detent pivoted to the carriage, coupling means initially held inoperative by said detent for operatively connecting said shaft to said hooks, an initially adjustable sector rotatably mounted on the carriage and having a cam-surface and ratchet toothing, a pawl engaging said toothing and having a lug, means coacting with said stops for driving said pawl, a detent lever pivoted to the carriage, normally engaging said sector and having a guide surface for said lug, and releasing means actuated by said camsurface for driving said detent away from said coupling means only after a predeterv mined movement of the ratchet toothing, said detent lever being adapted to be driven back from the toothing by said releasing means.

8. In apparatus for turning hanks of yarn, the combination of a rai-l, adjustable stops thereon, a carriage adapted to be driven to and fro along the rail, a continuously driven shaft journaledv in the carriage, a pair of turning hooks, a detent pivoted to the carriage, coupling means initially held inoperative by said detent for operatively connecting said shaft to said hooks, a sector rotatably mounted on the carriage and having a camsurface and ratchet toothing, an adjustable lever for supporting said sector in its initial position, means coacting with said stops for driving said sector, and releasing means actuated by said cam-surface for driving said detent away from said coupling means only after a movement of said toothing initially determined by said adjustable lever.

9. In apparatus for turning hanks of yarn, the combination of arail, adjustable stops thereon, a carriage adapted to be driven to and fro along the rail, a continuously driven shaft journaled in the carriage, a rocking lever and a stop-lever j ournaled in the carriage, the latter lever being adapted to be driven by said stops, a spring-pressed antifriction roller connected to said stoplever and bearing on said rocking lever, a pair of turning hooks, and adjustable means driven by said rocking lever for operatively connecting said shaft and said hooks only after a predetermined number of to-and-fro movements of the carriage.

10. In apparatus for turning hanks of yarn, the combination of a rail, adjustable stops thereon, a carriage adapted to be driven to and frok along the rail, a continuously driven shaft journaled in the carriage, an axle j ournaled in the carriage, a pair of turning hooks fast on the aXle, a vertical rod slidable in the carriage and initially retained in its raised position, a lever pivoted to said rod and carriage and having a cam extension surrounding said aXle, means coacting with said cam extension for coupling said axle to said shaft when said rod is released, and adjustable means coacting with said stops for releasing said rod only after a predetermined number of toandfro movements of the carriage.

l1. ln apparatus for turning banks of yarn, the combination of a rail, adjustable stops thereon, a carriage adapted to be driven to and fro alongv the rail, a continuously driven shaft journaled in the carriage, a pair of turning hooks, a detent pivoted to the carriage, coupling means initially held inoperative by said detent for operatively connecting said shaft to said hooks, an initially adjustable sector rotatably mounted on the carrlage and having a cam-surface and ratchet toothing, a two-armedv lever pivotally connected to the detent, one arm resting on said cam-surface and the other having an engaging lug, a member having a recess corresponding to said lug, means coacting with said stops for rocking said member, and a pawl pivoted to said member for driving said sector, said cam-surface being adapted after a predetermined movement to allow said two-armed lever to fall and so cause engagement between said lug and recess. l2. In apparatus for turning hanks of yarn, the combination of a rail, adjustable stops thereon, a carriage adapted to be driven along the rail, a continuously driven shaft journaled in the carriage, a rocking lever adapted to reverse the motion of the carriage on the rail and a stop-lever journaled in the carriage, the latter lever being adapted to be driven by said stops, a spring-pressed antifriction roller connected to said stoplever and bearing on said rocking lever, and adjustable means driven by said rocking lever for operatively connecting said shaft and said hooks only after a predetermined number of to-andfro movements of the carriage.

In testimony whereof, I affix my signature in the presence of two witnesses.

. PAUL HAHN. Witnesses:

JEAN GRUND, CARL GRUND.

Copies of this patent may be obtained for ve cents each, by addressing the Gommissioner of Patents.

Washington, D. C. 

